User guide
Developers guidelines | AT commands
193 June 2010
AT+CGSMS Select service for MO SMS messages
<pdp_address>: A string parameter that identifies the ME in the address space applicable
to the PDP.
If the value is null or omitted, then a value may be provided by the TE dur-
ing the PDP startup procedure or, failing that, a dynamic address will be
requested. See 3GPP TS 27.007
<d_comp>:
<d_comp> Description
0 PDP data compression OFF. Default value
1 PDP data compression ON
2–255 Reserved
<h_comp>:
<h_comp> Description
0 PDP header compression OFF. Default value
1 PDP header compression ON
2–255 Reserved
<pdN>: Zero to N string parameters whose meanings are specific to the
<pdp_type>. Not supported
Description: The command specifies the service or service preference that the MT will
use to send MO SMS messages.
Set command: AT+CGSMS=[<service>]
Read command: AT+CGSMS? Displays the current <service> setting.
Test command: AT+CGSMS=? Shows if the command is supported.
Test command
response: +CGSMS: (list of supported <service>s)
Parameter:
<service>:
<service> Description
0 GPRS/Packet Domain
1 Circuit switched
2 GPRS/Packet Domain preferred (use circuit-
switched if GPRS/Packet Domain not available)
3 Circuit-switched preferred (use GPRS/Packet
Domain if circuit-switched not available). Default
value










